TY  - BOOK
AU  - Coddington,Earl A.
AU  - Levinson, Norman.
TI  - Theory of ordinary differential equations
SN  - 9780070992566
U1  - 515.352 
PY  - 1955/// [Reprinted 2019]
CY  - New Delhi
PB  - Tata McGraw Hill
KW  - Differential equations
KW  - Boundary value problems
KW  - Asymptotic theory
KW  - Numerical solutions
N1  - Includes bibliographical reference and index
ER  -